Home / 5,282.58-7,920.95-3,618.61

Finding the Fourth Proportional to 5,282.58, 7,920.95 and 3,618.61

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Solution

The fourth proportional to 5,282.58, 7,920.95 and 3,618.61 is: 5,425.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.58 : 7,920.95 = 3,618.61 : x
  2. Step 2: Convert to fraction form
    5,282.58/7,920.95 = 3,618.61/x
  3. Step 3: Cross multiply
    5,282.58x = 7,920.95 × 3,618.61
  4. Step 4: Simplify right side
    5,282.58x = 28,662,828.88
  5. Step 5: Solve for x
    x = 28,662,828.88/5,282.58
  6. Step 6: Final answer
    x = 5,425.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.